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1.6—0.5x=2.7x+0.16

0.02×0.1=0.002 5.06x-4.07x=0.99x 12-7.8=4.2 a+0.4a=1.4a 12÷0.3=40 4.6x+2.7x=7.3x 1.7+0.43=2.13 0.58a-0.47a=0.11a 1.5×0.4=0.6 4.8x-3.1x=1.7x 1.25×0.2=0.25 12a-8.4a=3.6a 64.32÷16=4.02 6x-4.9x=1.1x 5.1b+11.9b=17b 1.23÷3=0.41 100×...

=(1.5+4.8÷1.6x0.1)x2.7 =(1.5+3x0.1)x2.7 =1.8x2.7

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